40161152807565 has 8 divisors (see below), whose sum is σ = 64257844492128. Its totient is φ = 21419281497360.

The previous prime is 40161152807551. The next prime is 40161152807627. The reversal of 40161152807565 is 56570825116104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40161152807565 - 2⁴ = 40161152807549 is a prime.

It is a super-2 number, since 2×40161152807565² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338705093571 + ... + 1338705093600.

It is an arithmetic number, because the mean of its divisors is an integer number (8032230561516).

Almost surely, 2^{40161152807565} is an apocalyptic number.

It is an amenable number.

40161152807565 is a deficient number, since it is larger than the sum of its proper divisors (24096691684563).

40161152807565 is a wasteful number, since it uses less digits than its factorization.

40161152807565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677410187179.

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 40161152807565 in words is "forty trillion, one hundred sixty-one billion, one hundred fifty-two million, eight hundred seven thousand, five hundred sixty-five".